Si tu gato hablara...

Le testament intellectuel et spirituel du créateur inimitable du concept de « sobriété heureuse ». Un texte court et percutant pour servir d’étoile polaire en ces temps obscurs...

Este libro no es para ecologistas convencidos, ni militantes, ni extremistas, este libro no pretende criminalizar el plástico. Este libro es para todo tipo de consumidores, que día tras día son cada vez más conscientes del terrible impacto del plástico sobre el medio ambiente, y quieren poner remedio. La pregunta es si es posible hacer cambios positivos sin cambiar radicalmente nuestro estilo de vida. Y la respuesta es sí, absolutamente. Este práctico libro sugiere alternativas al plástico, para todos los bolsillos.

The business weave of the sector cerámico of Castellón is not alien to the environmental questions and their experience could be extrapolable to other economic sectors that they have the need to express their environmental actions in politics and estratégias and in the establishment of a compatibility of environmental management as so much external as internal system of information

Anaerobic digestion is the most widely process used for the stabilisation of wastewater treatment sludge. Organic matter is transformed into CH4 and CO2 by the action of different bacteria groups. The main advantages are the reduction of the volume of waste sludge and the production of methane gas that can be utilized as energy supply for the process. During anaerobic digestion of activated sludge from enhanced biological phosphorus removal process (EBPR-process), most of the phosphorus eliminated during the water treatment, as well as that from cellular lysis, is released. So that,...